122212102221329 has 4 divisors (see below), whose sum is σ = 122212146948276. Its totient is φ = 122212057494384.

The previous prime is 122212102221323. The next prime is 122212102221397. The reversal of 122212102221329 is 923122201212221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35130040243600 + 87082061977729 = 5927060^2 + 9331777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122212102221329 is a prime.

It is a super-3 number, since 3×122212102221329³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122212102221295 and 122212102221304.

It is not an unprimeable number, because it can be changed into a prime (122212102221323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17978234 + ... + 23825219.

It is an arithmetic number, because the mean of its divisors is an integer number (30553036737069).

Almost surely, 2^{122212102221329} is an apocalyptic number.

It is an amenable number.

122212102221329 is a deficient number, since it is larger than the sum of its proper divisors (44726947).

122212102221329 is an equidigital number, since it uses as much as digits as its factorization.

122212102221329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44726946.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 122212102221329 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred two million, two hundred twenty-one thousand, three hundred twenty-nine".